Home / 14,077.94-21,120.26-4,717.98

Finding the Fourth Proportional to 14,077.94, 21,120.26 and 4,717.98

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Solution

The fourth proportional to 14,077.94, 21,120.26 and 4,717.98 is: 7,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.94 : 21,120.26 = 4,717.98 : x
  2. Step 2: Convert to fraction form
    14,077.94/21,120.26 = 4,717.98/x
  3. Step 3: Cross multiply
    14,077.94x = 21,120.26 × 4,717.98
  4. Step 4: Simplify right side
    14,077.94x = 99,644,940.68
  5. Step 5: Solve for x
    x = 99,644,940.68/14,077.94
  6. Step 6: Final answer
    x = 7,078.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.